G01R 33/3806
Open magnet assemblies for improved access to the sample
Official title: {Open magnet assemblies for improved access to the sample, e.g. C-type or U-type magnets}
G01R33/3806 (Open magnet assemblies for improved access to the sample) appears on 683 US grants and 535 published applications in this corpus.
Search patents in G01R- Granted patents
- 683
- Published applications
- 535
- Assignees
- 191
- Inventors
- 874
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 11 | 0 |
| 1995 | 22 | 0 |
| 1996 | 17 | 0 |
| 1997 | 17 | 0 |
| 1998 | 14 | 0 |
| 1999 | 18 | 0 |
| 2000 | 22 | 0 |
| 2001 | 26 | 1 |
| 2002 | 24 | 18 |
| 2003 | 17 | 22 |
| 2004 | 25 | 21 |
| 2005 | 26 | 26 |
| 2006 | 17 | 13 |
| 2007 | 21 | 25 |
| 2008 | 22 | 33 |
| 2009 | 23 | 28 |
| 2010 | 19 | 19 |
| 2011 | 25 | 27 |
| 2012 | 11 | 17 |
| 2013 | 14 | 8 |
| 2014 | 20 | 17 |
| 2015 | 14 | 15 |
| 2016 | 14 | 27 |
| 2017 | 20 | 19 |
| 2018 | 13 | 18 |
| 2019 | 28 | 30 |
| 2020 | 42 | 33 |
| 2021 | 24 | 33 |
| 2022 | 23 | 25 |
| 2023 | 19 | 14 |
| 2024 | 21 | 15 |
| 2025 | 12 | 23 |
| 2026 | 12 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electromagnetic shielding for magnetic resonance imaging methods and apparatus7 Jul 2026US 12,672,791 B2Hyperfine Operations, Inc.
- Static field magnet and MRI apparatus16 Jun 2026US 12,656,428 B2Canon Kabushiki Kaisha
- Method for operating a liquid helium cooling system of a magnetic resonance imaging system and a magnetic resonance imaging system16 Jun 2026US 12,656,430 B2Siemens Healthineers AG
- Iterative shimming for low-field head-optimized MRI2 Jun 2026US 12,644,942 B2Neuro42 Inc.
- Navigation via magnetic field localization with pseudo-random data sequences12 May 2026US 12,625,200 B2SB Technology, Inc.
- System for acquiring images in intraoperative magnetic resonance24 Sep 2026US 2026/0283558 A1Esaote S.p.A.
- Magnetic resonance imaging apparatus24 Sep 2026US 2026/0287693 A1Canon Kabushiki Kaisha
- B0 magnet methods and apparatus for a magnetic resonance imaging system23 Jul 2026US 2026/0211066 A1Hyperfine Operations, Inc.
- Radiation therapy system and method21 May 2026US 2026/0137961 A1Shanghai United Imaging Healthcare Co., Ltd.
- Methods and apparatus for patient positioning in magnetic resonance imaging26 Mar 2026US 2026/0083343 A1Hyperfine Operations, Inc.
Most cited
By later US patents
- Magnetic resonance imaging method and apparatus for guiding invasive therapy553US 5,647,361 AFonar Corporation · 1997
- System and method for image guidance during medical procedures338US 8,812,077 B2ViewRay Incorporated · 2014
- Surgical procedure with magnetic resonance imaging266US 5,735,278 ANational Research Council of Canada · 1998
- Radio frequency coil for open magnetic resonance imaging system194US 6,437,567 B1General Electric Company · 2002
- MRI system with open access to patient image volume165US 4,829,252 AThe Regents of the University of California · 1989